1. Space age astronomy; an international symposium sponsored by Douglas Aircraft Company, inc., August 7-9, 1961, at the California Institute of Technology in conjunction with the XI General Assembly of the International Astronomical Union
پدیدآورنده : Space Age Astronomy Symposium, )1691, Pasadena, Calif.(
کتابخانه: Central Library of Sharif University of Technology (Tehran)
موضوع : ، Astronomy-- Congresses,، Outer space-- Exploration-- Congresses
رده :
QB
3
.
S73
1961